(3x+4)-(x+3)=180

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Solution for (3x+4)-(x+3)=180 equation:


Simplifying
(3x + 4) + -1(x + 3) = 180

Reorder the terms:
(4 + 3x) + -1(x + 3) = 180

Remove parenthesis around (4 + 3x)
4 + 3x + -1(x + 3) = 180

Reorder the terms:
4 + 3x + -1(3 + x) = 180
4 + 3x + (3 * -1 + x * -1) = 180
4 + 3x + (-3 + -1x) = 180

Reorder the terms:
4 + -3 + 3x + -1x = 180

Combine like terms: 4 + -3 = 1
1 + 3x + -1x = 180

Combine like terms: 3x + -1x = 2x
1 + 2x = 180

Solving
1 + 2x = 180

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + 2x = 180 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 180 + -1
2x = 180 + -1

Combine like terms: 180 + -1 = 179
2x = 179

Divide each side by '2'.
x = 89.5

Simplifying
x = 89.5

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